Bug with php7.4 : I can't use at all

[mrsolarius]

Describe the bug
When I try to just start command nothing works I have no return...
And when I try with debug mode I have this return :

PHP Deprecated:  Methods with the same name as their class will not be constructors in a future version of PHP; Sdata has a deprecated constructor in /home/mrsolarius/tools/Recsech/tools/sdata-modules.php on line 8
PHP Warning:  mkdir(): File exists in /home/mrsolarius/tools/Recsech/tools/sdata-modules.php on line 56
PHP Fatal error:  Uncaught Error: Call to undefined function curl_multi_init() in /home/mrsolarius/tools/Recsech/tools/sdata-modules.php:58
Stack trace:
#0 /home/mrsolarius/tools/Recsech/tools/sdata-modules.php(181): Sdata->sdata()
#1 /home/mrsolarius/tools/Recsech/Recsech.php(17): require_once('/home/louis/too...')
#2 {main}
  thrown in /home/mrsolarius/tools/Recsech/tools/sdata-modules.php on line 58

To Reproduce
Steps to reproduce the behavior:

1. Have php7.4-cli
2. Use chmod -R u+x $path_to_recsecn$
3. Do php Recsech.php in folder
4. Nothing show
5. Do php Recsech.php debug to see error

Expected behavior
Just have the title display like your screen ^^

Desktop (please complete the following information):

• Kubuntu 20.04
• PHP CLI 7.4

Additional context
I have try to start file with all 777 right but nothing have change.

[mrsolarius]

Sorry I have forgot to install php-curl